%0 Journal Article
%A M. G. Zavgorodnii
%T Spectral completeness of root functions of a boundary value
%J Doklady Akademii Nauk
%D 1994
%P 281-283
%V 335
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1994_335_3_a2/
%G ru
%F DAN_1994_335_3_a2